Objective: To investigate the methods and effectiveness of ear reconstruction for the microtia patients with craniofacial deformities.
Methods: Between July 2000 and July 2010, ear reconstruction was performed with tissue expander and autogenous costal cartilages in 1 300 microtia patients with degree II+ hemifacial microsoma, and the clinical data were reviewed and analyzed. There were 722 males and 578 females, aged 5 years and 8 months to 33 years and 5 months (median, 12 years and 2 months). The expander was implanted into the retroauricular region in stage I; ear reconstruction was performed after 3-4 weeks of expansion in stage II; and reconstructed ear reshaping was carried out at 6 months to 1 year after stage II in 1 198 patients.
Results: Of 1 300 patients, delayed healing occurred in 28 cases after stage II, healing by first intention was obtained in the other 1 272 cases, whose new ears had good position and appearance at 1 month after stage II. After operation, 200 cases were followed up 1-9 years (mean, 3 years). One case had helix loss because of trauma, and 1 case had the new ear loss because of fistula infection. At last follow-up, the effectiveness were excellent in 110 cases, good in 65 cases, and fair in 23 cases with an excellent and good rate of 88.4%.
Conclusion: It is difficulty in ear reconstruction that the reconstructed ear is symmetrical to the contralateral one in the microtia patients with degree II+ hemifacial microsoma. The key includes the location of new ear, the fabrication of framework, and the utilization of remnant ear.
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